Table of Contents 
1.  Fundamental of the System .........................................................................................................................................................................1 
1.1  Printer Overview .......................................................................................................................................................................................1 
Front View .....................................................................................................................................................................................................1 
Interior View ..................................................................................................................................................................................................2 
Rear View ......................................................................................................................................................................................................3 
2.  Electronics ....................................................................................................................................................................................................4 
2.1  Summary of the Board Connectors ...........................................................................................................................................................4 
2.2  Interface Pin Configuration .......................................................................................................................................................................7 
3.  Mechanism....................................................................................................................................................................................................9 
3.1  Remove the Lower Front Panel ................................................................................................................................................................9 
3.2  Remove the Electronics Cover ................................................................................................................................................................ 10 
3.3  Replacing the Platen Roller Assembly .................................................................................................................................................... 11 
3.4  Replacing the Print head ASS’Y ............................................................................................................................................................. 12 
3.5  Replacing the LCD Panel Cover Assembly ............................................................................................................................................. 13 
3.6  Replacing the Label Supply Spindle ........................................................................................................................................................ 14 
3.7  Replacing the Power Supply Unit ............................................................................................................................................................ 16 
3.8  Replacing the Internal Rewinder DC Motor ............................................................................................................................................. 17 
3.9  Replacing the Internal Full Rewinder Kit (Option) .................................................................................................................................... 18 
3.10  Replacing the Main Board ....................................................................................................................................................................... 21 
3.11  Replacing the Stepping Motor Assembly................................................................................................................................................. 22